TODAY SEP22
TEMPERATURE63
HUMIDITY
PRESSURE30.01
WIND COND.293 5.8
  • 6650Sat
  • 6647Sun
  • 7051Mon
  • 7653Tue
  • 7452Wed
daynightWeather update from Eureka WFO at
How would you rate the weather in Eureka?View resultsWrite a review to give others more information about this area.
How would you rate the air quality in Eureka?View resultsWrite a review to give others more information about this area.

Eureka Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January35°F53°F44°F6.0"
February40°F56°F49°F6.4"
March41°F57°F50°F6.8"
April40°F56°F49°F5.8"
May45°F59°F53°F3.6"
June47°F61°F55°F3.9"
July52°F65°F58°F1.0"
August50°F63°F56°F0.3"
September46°F63°F54°F0.4"
October44°F61°F53°F5.6"
November40°F58°F49°F4.0"
December39°F54°F47°F11.4"

Did you know?

  • The highest monthly average temperature in Eureka for July is 58 degrees.
  • The lowest monthly average temperature in Eureka for January is 44 degrees.
  • The most monthly precipitation in Eureka occurs in December with 11.4 inches.
  • The air quality index in Eureka is 37% better than the national average.
  • The pollution index in Eureka is 11% worse than the national average.

Find Real Estate Listings In Eureka

Location
Price
Bedrooms
Bathrooms
 

New Real Estate Listings In Eureka

Compare Eureka, CA Weather To Other Cities

Eureka air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexEurekaCaliforniaNational
Air quality index315550
Pollution index5,642,31018,106,7265,066,862

Eureka air quality information

MeasurementTotal
Days measured365
Days with good air quality318
Days with moderate air quality47
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Eureka air quality information

PollutantTotal
Arsenic0.060%
Benzene0.080%
Carbon Tetrachloride0.000%
Lead0.050%
Mercury0.050%

Average monthly Eureka temperature with heat index

Eureka monthly precipitation with daily maximum

Eureka monthly snow depth with daily maximum

Eureka monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bayview, CA2,5273138%
Ferndale, CA1,4193138%
Humboldt Hill, CA3,7103138%
Manila, CA7513138%
Blue Lake, CA1,1473138%
Eureka, CA27,0023138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Watertown, NY26,9973138%
Garden City, MI27,009524%
Easton, PA27,014476%
Tualatin, OR27,0243824%
South Laurel, MD26,952492%
Eureka, CA27,0023138%
Source: The Eureka, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.